The GNU Guix project, which last December was adopted by the Free Software Foundation for fundraising support, has a new beta release.
Version 0.11.0 of the package manager and its associated systems distribution (GuixSD) comes with USB installation images for installation from source or from binaries.
The project highlights …

Doesn't seem to be

The intro bit of the docs seems to answer -> https://www.gnu.org/software/guix/manual/html_node/Introduction.html#Introduction

Guix is a package manager, partly inspired by Nix.

It can be run on any linux distribution and apparently doesn't interfere with the underlying packages, like Nix does/ did.

It is also possible to run a "Guix distribution" of the GNU operating system. This would be the GNU userland tools, like in linuxes, and instead use the Hurd kernel. All with Guix as the package manager.